KHARBANDA O P. (1996). WHAT MADE GERTIE GALOOP? LESSONS FROM PROJECT FAILURES. YAN NOSTRAND REINHOL CO.
Čikaški stil citiranja (17. izdanje)KHARBANDA O P. WHAT MADE GERTIE GALOOP? LESSONS FROM PROJECT FAILURES. NEW YORK: YAN NOSTRAND REINHOL CO, 1996.
MLA način citiranja (9. izdanje)KHARBANDA O P. WHAT MADE GERTIE GALOOP? LESSONS FROM PROJECT FAILURES. YAN NOSTRAND REINHOL CO, 1996.
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